1. Potassium sulphide is an ionic compound. The solid of potassium sulphide cannotconduct electricity, while the molten liquid and aqueous solution can conductelectricity. 2. In the laboratory, pure K2S may be preparedby the reaction of potassium and sulphur in anhydrous...
... 2014-08-17 23:30:32 補充: 3) acid with metal oxide ( as metal oxide are basic [ alkaline] , it is also a neutralization reaction] acid + metal oxide----> salt+ water...
...to the soil, in order to neutralize the excess acid in the soil as the lime is basic . The excess lime then reacts with atmospheric carbon dioxide to becomes...
...29:02 補充: • If a drying agent 同時又係一個 base,則稱為 basic drying agent。例子有:CaO、NaOH、soda lime 等。 • ...
...2014-06-08 21:05:59 補充: The questions are about the basic concepts of electrolysis. I think you have to study the...
1. (a) acid - dissociated in water to give H⁺ ions. (b) base - dissociated in water to give OH⁻ ions. (c) base - dissociated in water to give OH⁻ ions. (d) acid - dissociated in water to give H⁺ ions. **** 2...
...that hydrolyze to produce hydroxide ions when dissolved in water are basic salts and salts that hydrolyze to produce hydronium ions in water...
...aqueous solutions of copper(II) and sodium carbonate. Copper basic carbonate precipitates from the solution: 2 CuSO4 + 2 Na2CO3...
...highly acidic solutions, the equilibria shift to the far left while in basic solutions, the equilibrium position shift to the right. This reaction also...
...of mole of strong acid and weak acid are the same. (suppose both are mono basic ). 2013-10-05 01:11:06 補充: The number of mole of alkaline that...